@article{DBLP:journals/dam/Marx09,
author = {D{\'a}niel Marx},
title = {Complexity results for minimum sum edge coloring},
journal = {Discrete Applied Mathematics},
volume = {157},
number = {5},
year = {2009},
pages = {1034-1045},
ee = {http://dx.doi.org/10.1016/j.dam.2008.04.002},
bibsource = {DBLP, http://dblp.uni-trier.de}
}